DUPLEX STAINLESS STEEL

UNS S32950

UNS S32950 is listed in the DUPLEX STAINLESS STEEL material family. The reference data below should be checked against the governing product specification, product form and delivery condition before selection or certification.

UNS S32950
MATERIAL INTRODUCTION

UNS S32950

The reference chemistry table for UNS S32950 lists Carbon (C): 0.03% Max; Manganese (Mn): 2.00% Max; Silicon (Si): 0.60% Max; Phosphorus (P): 0.035% Max. Confirm exact limits and analysis tolerances against the governing standard and product form.

The mechanical-property table for UNS S32950 lists Tensile Strength: 620 – 880 MPa; Yield Strength: 450 Minimum MPa; Elongation: 20 Minimum %; Hardness: 260 Maximum HB. These are reference entries; supplied condition, dimensions, test method and governing specification control the requirements, and the figures are not design allowables.

Werkstoff / EN cross-reference for UNS S32950: 1.4460. This comparison does not guarantee interchangeability; confirm chemistry, product form and condition against the governing specification.

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TECHNICAL INFORMATION

Material Identification

Standard identification and material designation information for UNS S32950.

Material UNS S32950
UNS Number S32950
Common Designation AISI 329 / F52
Werkstoff Number 1.4460
Material Type Duplex Stainless Steel
MATERIAL PROPERTIES

Chemical Composition

The reference chemistry table lists Carbon (C): 0.03% Max; Manganese (Mn): 2.00% Max; Silicon (Si): 0.60% Max; Phosphorus (P): 0.035% Max. Confirm the governing standard, product analysis tolerances and product form before ordering.

Element Symbol Composition
Carbon C 0.03% Max
Manganese Mn 2.00% Max
Silicon Si 0.60% Max
Phosphorus P 0.035% Max
Sulfur S 0.010% Max
Chromium Cr 26.00 – 29.00%
Nickel Ni 3.50 – 5.20%
Molybdenum Mo 1.00 – 2.50%
Nitrogen N 0.15 – 0.35%
Iron Fe Balance
PERFORMANCE DATA

Mechanical Properties

The table reports Tensile Strength: 620 – 880 MPa; Yield Strength: 450 Minimum MPa; Elongation: 20 Minimum %; Hardness: 260 Maximum HB as reference data for UNS S32950. Actual requirements depend on condition, dimensions, test method and specification; these values are not design allowables.

Property Value Unit
Tensile Strength 620 – 880 MPa
Yield Strength 450 Minimum MPa
Elongation 20 Minimum %
Hardness 260 Maximum HB
MATERIAL DATA

Physical Properties

Density Approx. 7.8 g/cm³
Elastic Modulus Approx. 200 GPa
Thermal Conductivity Approx. 15 W/m·K
Specific Heat Approx. 500 J/kg·K
Melting Range Approx. 1400 – 1450°C
WHY SELECT THIS MATERIAL

Material Characteristics

UNS S32950 provides a useful combination of duplex stainless steel strength, corrosion resistance and good performance in demanding industrial environments.

01

High Mechanical Strength

The duplex microstructure provides higher mechanical strength than many conventional austenitic stainless steels.

02

Good Corrosion Resistance

Provides good resistance to general corrosion and demanding industrial environments.

03

Chloride Resistance

Chromium, molybdenum and nitrogen contribute to improved resistance in chloride-containing environments.

04

Good Weldability

Can be fabricated and welded using appropriate procedures designed for duplex stainless steels.

UNS S32950 Bolting Products

INDUSTRIAL USE

Typical Applications

UNS S32950 is selected for applications requiring high strength and corrosion resistance in demanding industrial service environments.

01

Oil & Gas

Equipment and components requiring strength and corrosion resistance in demanding processing environments.

02

Chemical Processing

Process equipment and components exposed to corrosive chemicals and industrial media.

03

Marine Applications

Components used in marine and chloride- containing service environments.

04

Industrial Equipment

Pumps, valves, piping and fabricated equipment requiring reliable material performance.

ENGINEERING GUIDE

Engineering Considerations

Corrosion Environment

Consider chemical composition, chloride concentration and operating temperature when selecting UNS S32950.

Fabrication

Appropriate fabrication and welding procedures are required to maintain the duplex material structure and corrosion resistance.

Mechanical Requirements

UNS S32950 is suitable where higher strength and good corrosion resistance are required compared with conventional stainless steels.

COMMON QUESTIONS

Frequently Asked Questions

What is the Werkstoff number for UNS S32950?

The commonly listed Werkstoff / EN cross-reference for UNS S32950 is 1.4460. Treat this as a grade comparison, not a guarantee of interchangeability. Verify chemistry, product form, condition and governing specification against the supplier certificate before substitution.

ENGINEERING SUPPORT

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